The earth rotates more slowly on its axis in March than in September.
145
Only 55% of Americans know that the sun is a star.
986
Summer on Uranus lasts for 21 years.
358
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
41% of the moon is not visible from earth at any time.
103